123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856 |
- /*
- * Copyright (c) 2006-2010 Chris Smith, Shane Mc Cormack, Gregory Holmes
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package com.dmdirc.ui.messages;
-
- import com.dmdirc.FrameContainer;
- import com.dmdirc.actions.ActionManager;
- import com.dmdirc.actions.CoreActionType;
- import com.dmdirc.interfaces.ConfigChangeListener;
- import com.dmdirc.logger.ErrorLevel;
- import com.dmdirc.logger.Logger;
-
- import java.awt.Color;
- import java.util.Locale;
- import java.util.Map;
- import java.util.regex.Pattern;
-
- import javax.swing.UIManager;
- import javax.swing.text.BadLocationException;
- import javax.swing.text.DefaultStyledDocument;
- import javax.swing.text.SimpleAttributeSet;
- import javax.swing.text.StyleConstants;
- import javax.swing.text.StyledDocument;
-
- /**
- * The styliser applies IRC styles to text. Styles are indicated by various
- * control codes which are a de-facto IRC standard.
- * @author chris
- */
- public class Styliser implements ConfigChangeListener {
-
- /** The character used for marking up bold text. */
- public static final char CODE_BOLD = 2;
- /** The character used for marking up coloured text. */
- public static final char CODE_COLOUR = 3;
- /** The character used for marking up coloured text (using hex). */
- public static final char CODE_HEXCOLOUR = 4;
- /** Character used to indicate hyperlinks. */
- public static final char CODE_HYPERLINK = 5;
- /** Character used to indicate channel links. */
- public static final char CODE_CHANNEL = 6;
- /** Character used to indicate smilies. */
- public static final char CODE_SMILIE = 7;
- /** The character used for stopping all formatting. */
- public static final char CODE_STOP = 15;
- /** Character used to indicate nickname links. */
- public static final char CODE_NICKNAME = 16;
- /** The character used for marking up fixed pitch text. */
- public static final char CODE_FIXED = 17;
- /** The character used for negating control codes. */
- public static final char CODE_NEGATE = 18;
- /** The character used for tooltips. */
- public static final char CODE_TOOLTIP = 19;
- /** The character used for marking up italic text. */
- public static final char CODE_ITALIC = 29;
- /** The character used for marking up underlined text. */
- public static final char CODE_UNDERLINE = 31;
-
- /** Internal chars. */
- private static final String INTERNAL_CHARS = String.valueOf(CODE_HYPERLINK)
- + CODE_NICKNAME + CODE_CHANNEL + CODE_SMILIE + CODE_TOOLTIP;
-
- /** Characters used for hyperlinks. */
- private static final String HYPERLINK_CHARS = CODE_HYPERLINK + "" + CODE_CHANNEL;
-
- /** Regexp to match characters which shouldn't be used in channel links. */
- private static final String RESERVED_CHARS = "[^\\s" + CODE_BOLD + CODE_COLOUR
- + CODE_STOP + CODE_HEXCOLOUR + CODE_FIXED + CODE_ITALIC
- + CODE_UNDERLINE + CODE_CHANNEL + CODE_NICKNAME + CODE_NEGATE + "\",]";
-
- /** Defines all characters treated as trailing punctuation that are illegal in URLs. */
- private static final String URL_PUNCT_ILLEGAL = "\"";
-
- /** Defines all characters treated as trailing punctuation that're legal in URLs. */
- private static final String URL_PUNCT_LEGAL = "';:!,\\.\\?";
-
- /** Defines all trailing punctuation. */
- private static final String URL_PUNCT = URL_PUNCT_ILLEGAL + URL_PUNCT_LEGAL;
-
- /** Defines all characters allowed in URLs that aren't treated as trailing punct. */
- private static final String URL_NOPUNCT = "a-z0-9$\\-_@&\\+\\*\\(\\)=/#%~\\|";
-
- /** Defines all characters allowed in URLs per W3C specs. */
- private static final String URL_CHARS = "[" + URL_PUNCT_LEGAL + URL_NOPUNCT
- + "]*[" + URL_NOPUNCT + "]+[" + URL_PUNCT_LEGAL + URL_NOPUNCT + "]*";
-
- /** The regular expression to use for marking up URLs. */
- private static final String URL_REGEXP = "(?i)([a-z+]+://" + URL_CHARS
- + "|(?<![a-z0-9:/])www\\." + URL_CHARS + ")";
-
- /** Regular expression for intelligent handling of closing brackets. */
- private static final String URL_INT1 = "(\\([^\\)" + HYPERLINK_CHARS
- + "]*(?:[" + HYPERLINK_CHARS + "][^" + HYPERLINK_CHARS + "]*["
- + HYPERLINK_CHARS + "])?[^\\)" + HYPERLINK_CHARS + "]*[" + HYPERLINK_CHARS
- + "][^" + HYPERLINK_CHARS + "]+)(\\)['\";:!,\\.\\)]*)([" + HYPERLINK_CHARS + "])";
-
- /** Regular expression for intelligent handling of trailing single and double quotes. */
- private static final String URL_INT2 = "(^(?:[^" + HYPERLINK_CHARS + "]+|["
- + HYPERLINK_CHARS + "][^" + HYPERLINK_CHARS + "][" + HYPERLINK_CHARS
- + "]))(['\"])([^" + HYPERLINK_CHARS + "]*?[" + HYPERLINK_CHARS + "][^"
- + HYPERLINK_CHARS + "]+)(\\1[" + URL_PUNCT + "]*)([" + HYPERLINK_CHARS + "])";
-
- /** Regular expression for intelligent handling of surrounding quotes. */
- private static final String URL_INT3 = "(['\"])([" + HYPERLINK_CHARS
- + "][^" + HYPERLINK_CHARS + "]+?)(\\1[^" + HYPERLINK_CHARS + "]*)(["
- + HYPERLINK_CHARS + "])";
-
- /** Regular expression for intelligent handling of trailing punctuation. */
- private static final String URL_INT4 = "([" + HYPERLINK_CHARS + "][^"
- + HYPERLINK_CHARS + "]+?)([" + URL_PUNCT + "]?)([" + HYPERLINK_CHARS + "])";
-
- /** The regular expression to use for marking up channels. */
- private static final String URL_CHANNEL = "(?i)(?<![^\\s\\+@\\-<>\\(\"',])([\\Q%s\\E]"
- + RESERVED_CHARS + "+)";
-
- /** Whether or not we should style links. */
- private boolean styleURIs, styleChannels;
-
- /** Colours to use for URI and channel links. */
- private Color uriColour, channelColour;
-
- /** The container that owns this styliser. */
- private final FrameContainer<?> owner;
-
- /**
- * Creates a new instance of Styliser.
- *
- * @param owner The {@link FrameContainer} that owns this styliser.
- * @since 0.6.3
- */
- public Styliser(final FrameContainer<?> owner) {
- this.owner = owner;
-
- owner.getConfigManager().addChangeListener("ui", "linkcolour", this);
- owner.getConfigManager().addChangeListener("ui", "channelcolour", this);
- owner.getConfigManager().addChangeListener("ui", "stylelinks", this);
- owner.getConfigManager().addChangeListener("ui", "stylechannels", this);
- styleURIs = owner.getConfigManager().getOptionBool("ui", "stylelinks");
- styleChannels = owner.getConfigManager().getOptionBool("ui", "stylechannels");
- uriColour = owner.getConfigManager().getOptionColour("ui", "linkcolour");
- channelColour = owner.getConfigManager().getOptionColour("ui", "channelcolour");
- }
-
- /**
- * Stylises the specified strings and adds them to the specified document.
- *
- * @param styledDoc Document to add the styled strings to
- * @param strings The lines to be stylised
- */
- public void addStyledString(final StyledDocument styledDoc, final String[] strings) {
- addStyledString(styledDoc, strings, new SimpleAttributeSet());
- }
-
- /**
- * Stylises the specified strings and adds them to the specified document.
- *
- * @param styledDoc Document to add the styled strings to
- * @param strings The lines to be stylised
- * @param attribs Base attribute set
- */
- public void addStyledString(final StyledDocument styledDoc,
- final String[] strings, final SimpleAttributeSet attribs) {
- resetAttributes(attribs);
- for (int i = 0; i < strings.length; i++) {
- final char[] chars = strings[i].toCharArray();
-
- for (int j = 0; j < chars.length; j++) {
- if (chars[j] == 65533) {
- chars[j] = '?';
- }
- }
-
- try {
- final int ooffset = styledDoc.getLength();
- int offset = ooffset;
- int position = 0;
-
- final String target = doSmilies(doLinks(new String(chars)
- .replaceAll(INTERNAL_CHARS, "")));
-
- attribs.addAttribute("DefaultFontFamily", UIManager.getFont("TextPane.font"));
-
- while (position < target.length()) {
- final String next = readUntilControl(target.substring(position));
-
- styledDoc.insertString(offset, next, attribs);
-
- position += next.length();
- offset += next.length();
-
- if (position < target.length()) {
- position += readControlChars(target.substring(position),
- attribs, position == 0);
- }
- }
-
- ActionManager.processEvent(CoreActionType.CLIENT_STRING_STYLED,
- null, styledDoc, ooffset, styledDoc.getLength() - ooffset);
-
- } catch (BadLocationException ex) {
- Logger.userError(ErrorLevel.MEDIUM,
- "Unable to insert styled string: " + ex.getMessage());
- }
- }
- }
-
- /**
- * Stylises the specified string.
- *
- * @param strings The line to be stylised
- *
- * @return StyledDocument for the inputted strings
- */
- public StyledDocument getStyledString(final String[] strings) {
- final StyledDocument styledDoc = new DefaultStyledDocument();
-
- addStyledString(styledDoc, strings);
-
- return styledDoc;
- }
-
- /**
- * Retrieves the styled String contained within the unstyled offsets
- * specified. That is, the <code>from</code> and <code>to</code> arguments
- * correspond to indexes in an unstyled version of the <code>styled</code>
- * string. The unstyled indices are translated to offsets within the
- * styled String, and the return value includes all text and control codes
- * between those indices.
- * <p>
- * The index translation is left-biased; that is, the indices are translated
- * to be as far left as they possibly can be. This means that the start of
- * the string will include any control codes immediately preceeding the
- * desired text, and the end will not include any trailing codes.
- *
- * @param styled The styled String to be operated on
- * @param from The starting index in the unstyled string
- * @param to The ending index in the unstyled string
- * @return The corresponding text between the two indices
- * @since 0.6.3
- */
- public static String getStyledText(final String styled, final int from, final int to) {
- final String unstyled = stipControlCodes(styled);
- final String startBit = unstyled.substring(0, from);
- final String middleBit = unstyled.substring(from, to);
- int start = from;
-
- while (!stipControlCodes(styled.substring(0, start)).equals(startBit)) {
- start++;
- }
-
- int end = to + start - from;
-
- while (!stipControlCodes(styled.substring(start, end)).equals(middleBit)) {
- end++;
- }
-
- return styled.substring(start, end);
- }
-
- /**
- * Applies the hyperlink styles and intelligent linking regexps to the
- * target.
- *
- * @param string The string to be linked
- * @return A copy of the string with hyperlinks marked up
- */
- public String doLinks(final String string) {
- String target = string;
- final String prefixes = owner.getServer() == null ? null
- : owner.getServer().getChannelPrefixes();
-
- String target2 = target;
- target = target.replaceAll(URL_REGEXP, CODE_HYPERLINK + "$0" + CODE_HYPERLINK);
-
- if (prefixes != null) {
- target = target.replaceAll(String.format(URL_CHANNEL, prefixes),
- CODE_CHANNEL + "$0" + CODE_CHANNEL);
- }
-
- for (int j = 0; j < 5 && !target.equals(target2); j++) {
- target2 = target;
- target = target
- .replaceAll(URL_INT1, "$1$3$2")
- .replaceAll(URL_INT2, "$1$2$3$5$4")
- .replaceAll(URL_INT3, "$1$2$4$3")
- .replaceAll(URL_INT4, "$1$3$2");
- }
-
- return target;
- }
-
- /**
- * Applies the smilie styles to the target.
- *
- * @param string The string to be smilified
- * @return A copy of the string with smilies marked up
- * @since 0.6.3m1
- */
- public String doSmilies(final String string) {
- // TODO: Check if they're enabled.
- // TODO: Store the list instead of building it every line
-
- final StringBuilder smilies = new StringBuilder();
-
- for (Map.Entry<String, String> icon
- : owner.getConfigManager().getOptions("icon").entrySet()) {
- if (icon.getKey().startsWith("smilie-")) {
- if (smilies.length() > 0) {
- smilies.append('|');
- }
-
- smilies.append(Pattern.quote(icon.getKey().substring(7)));
- }
- }
-
- return string.replaceAll("(\\s|^)(" + smilies + ")(?=\\s|$)",
- "$1" + CODE_SMILIE + "$2" + CODE_SMILIE);
- }
-
- /**
- * Strips all recognised control codes from the input string.
- * @param input the String to be stripped
- * @return a copy of the input with control codes removed
- */
- public static String stipControlCodes(final String input) {
- return input.replaceAll("[" + CODE_BOLD + CODE_CHANNEL + CODE_FIXED
- + CODE_HYPERLINK + CODE_ITALIC + CODE_NEGATE + CODE_NICKNAME
- + CODE_SMILIE + CODE_STOP + CODE_UNDERLINE + "]|"
- + CODE_HEXCOLOUR + "([A-Za-z0-9]{6}(,[A-Za-z0-9]{6})?)?|"
- + CODE_COLOUR + "([0-9]{1,2}(,[0-9]{1,2})?)?", "")
- .replaceAll(CODE_TOOLTIP + ".*?" + CODE_TOOLTIP + "(.*?)"
- + CODE_TOOLTIP, "$1");
- }
-
- /**
- * Returns a substring of the input string such that no control codes are present
- * in the output. If the returned value isn't the same as the input, then the
- * character immediately after is a control character.
- * @param input The string to read from
- * @return A substring of the input containing no control characters
- */
- public static String readUntilControl(final String input) {
- int pos = input.length();
-
- pos = checkChar(pos, input.indexOf(CODE_BOLD));
- pos = checkChar(pos, input.indexOf(CODE_UNDERLINE));
- pos = checkChar(pos, input.indexOf(CODE_STOP));
- pos = checkChar(pos, input.indexOf(CODE_COLOUR));
- pos = checkChar(pos, input.indexOf(CODE_HEXCOLOUR));
- pos = checkChar(pos, input.indexOf(CODE_ITALIC));
- pos = checkChar(pos, input.indexOf(CODE_FIXED));
- pos = checkChar(pos, input.indexOf(CODE_HYPERLINK));
- pos = checkChar(pos, input.indexOf(CODE_NICKNAME));
- pos = checkChar(pos, input.indexOf(CODE_CHANNEL));
- pos = checkChar(pos, input.indexOf(CODE_SMILIE));
- pos = checkChar(pos, input.indexOf(CODE_NEGATE));
- pos = checkChar(pos, input.indexOf(CODE_TOOLTIP));
-
- return input.substring(0, pos);
- }
-
- /**
- * Helper function used in readUntilControl. Checks if i is a valid index of
- * the string (i.e., it's not -1), and then returns the minimum of pos and i.
- * @param pos The current position in the string
- * @param i The index of the first occurance of some character
- * @return The new position (see implementation)
- */
- private static int checkChar(final int pos, final int i) {
- if (i < pos && i != -1) { return i; }
- return pos;
- }
-
- /**
- * Reads the first control character from the input string (and any arguments
- * it takes), and applies it to the specified attribute set.
- * @return The number of characters read as control characters
- * @param string The string to read from
- * @param attribs The attribute set that new attributes will be applied to
- * @param isStart Whether this is at the start of the string or not
- */
- private int readControlChars(final String string,
- final SimpleAttributeSet attribs, final boolean isStart) {
- final boolean isNegated = attribs.containsAttribute("NegateControl", Boolean.TRUE);
-
- // Bold
- if (string.charAt(0) == CODE_BOLD) {
- if (!isNegated) {
- toggleAttribute(attribs, StyleConstants.FontConstants.Bold);
- }
-
- return 1;
- }
-
- // Underline
- if (string.charAt(0) == CODE_UNDERLINE) {
- if (!isNegated) {
- toggleAttribute(attribs, StyleConstants.FontConstants.Underline);
- }
-
- return 1;
- }
-
- // Italic
- if (string.charAt(0) == CODE_ITALIC) {
- if (!isNegated) {
- toggleAttribute(attribs, StyleConstants.FontConstants.Italic);
- }
-
- return 1;
- }
-
- // Hyperlinks
- if (string.charAt(0) == CODE_HYPERLINK) {
- if (!isNegated) {
- toggleURI(attribs);
- }
-
- if (attribs.getAttribute(IRCTextAttribute.HYPERLINK) == null) {
- attribs.addAttribute(IRCTextAttribute.HYPERLINK,
- readUntilControl(string.substring(1)));
- } else {
- attribs.removeAttribute(IRCTextAttribute.HYPERLINK);
- }
- return 1;
- }
-
- // Channel links
- if (string.charAt(0) == CODE_CHANNEL) {
- if (!isNegated) {
- toggleChannel(attribs);
- }
-
- if (attribs.getAttribute(IRCTextAttribute.CHANNEL) == null) {
- attribs.addAttribute(IRCTextAttribute.CHANNEL,
- readUntilControl(string.substring(1)));
- } else {
- attribs.removeAttribute(IRCTextAttribute.CHANNEL);
- }
-
- return 1;
- }
-
- // Nickname links
- if (string.charAt(0) == CODE_NICKNAME) {
- if (attribs.getAttribute(IRCTextAttribute.NICKNAME) == null) {
- attribs.addAttribute(IRCTextAttribute.NICKNAME,
- readUntilControl(string.substring(1)));
- } else {
- attribs.removeAttribute(IRCTextAttribute.NICKNAME);
- }
-
- return 1;
- }
-
- // Fixed pitch
- if (string.charAt(0) == CODE_FIXED) {
- if (!isNegated) {
- if (attribs.containsAttribute(StyleConstants.FontConstants.FontFamily, "monospaced")) {
- attribs.removeAttribute(StyleConstants.FontConstants.FontFamily);
- } else {
- attribs.removeAttribute(StyleConstants.FontConstants.FontFamily);
- attribs.addAttribute(StyleConstants.FontConstants.FontFamily, "monospaced");
- }
- }
-
- return 1;
- }
-
- // Stop formatting
- if (string.charAt(0) == CODE_STOP) {
- if (!isNegated) {
- resetAttributes(attribs);
- }
-
- return 1;
- }
-
- // Colours
- if (string.charAt(0) == CODE_COLOUR) {
- int count = 1;
- // This isn't too nice!
- if (string.length() > count && isInt(string.charAt(count))) {
- int foreground = string.charAt(count) - '0';
- count++;
- if (string.length() > count && isInt(string.charAt(count))) {
- foreground = foreground * 10 + (string.charAt(count) - '0');
- count++;
- }
- foreground = foreground % 16;
-
- if (!isNegated) {
- setForeground(attribs, String.valueOf(foreground));
- if (isStart) {
- setDefaultForeground(attribs, String.valueOf(foreground));
- }
- }
-
- // Now background
- if (string.length() > count && string.charAt(count) == ','
- && string.length() > count + 1
- && isInt(string.charAt(count + 1))) {
- int background = string.charAt(count + 1) - '0';
- count += 2; // Comma and first digit
- if (string.length() > count && isInt(string.charAt(count))) {
- background = background * 10 + (string.charAt(count) - '0');
- count++;
- }
- background = background % 16;
-
- if (!isNegated) {
- setBackground(attribs, String.valueOf(background));
- if (isStart) {
- setDefaultBackground(attribs, String.valueOf(background));
- }
- }
- }
- } else if (!isNegated) {
- resetColour(attribs);
- }
- return count;
- }
-
- // Hex colours
- if (string.charAt(0) == CODE_HEXCOLOUR) {
- int count = 1;
- if (hasHexString(string, 1)) {
- if (!isNegated) {
- setForeground(attribs, string.substring(1, 7).toUpperCase());
- if (isStart) {
- setDefaultForeground(attribs, string.substring(1, 7).toUpperCase());
- }
- }
-
- count = count + 6;
-
- if (string.length() == count) {
- return count;
- }
- // Now for background
- if (string.charAt(count) == ',' && hasHexString(string, count + 1)) {
- count++;
-
- if (!isNegated) {
- setBackground(attribs, string.substring(count, count + 6).toUpperCase());
- if (isStart) {
- setDefaultBackground(attribs,
- string.substring(count, count + 6).toUpperCase());
- }
- }
-
- count += 6;
- }
- } else if (!isNegated) {
- resetColour(attribs);
- }
- return count;
- }
-
- // Control code negation
- if (string.charAt(0) == CODE_NEGATE) {
- toggleAttribute(attribs, "NegateControl");
- return 1;
- }
-
- // Smilies!!
- if (string.charAt(0) == CODE_SMILIE) {
- if (attribs.getAttribute(IRCTextAttribute.SMILEY) == null) {
- final String smilie = readUntilControl(string.substring(1));
-
- attribs.addAttribute(IRCTextAttribute.SMILEY, "smilie-" + smilie);
- } else {
- attribs.removeAttribute(IRCTextAttribute.SMILEY);
- }
-
- return 1;
- }
-
- // Tooltips
- if (string.charAt(0) == CODE_TOOLTIP) {
- if (attribs.getAttribute(IRCTextAttribute.TOOLTIP) == null) {
- final int index = string.indexOf(CODE_TOOLTIP, 1);
-
- if (index == -1) {
- // Doesn't make much sense, let's ignore it!
- return 1;
- }
-
- final String tooltip = string.substring(1, index);
-
- attribs.addAttribute(IRCTextAttribute.TOOLTIP, tooltip);
-
- return tooltip.length() + 2;
- } else {
- attribs.removeAttribute(IRCTextAttribute.TOOLTIP);
- }
-
- return 1;
- }
-
- return 0;
- }
-
- /**
- * Determines if the specified character represents a single integer (i.e. 0-9).
- * @param c The character to check
- * @return True iff the character is in the range [0-9], false otherwise
- */
- private static boolean isInt(final char c) {
- return c >= '0' && c <= '9';
- }
-
- /**
- * Determines if the specified character represents a single hex digit
- * (i.e., 0-F).
- * @param c The character to check
- * @return True iff the character is in the range [0-F], false otherwise
- */
- private static boolean isHex(final char c) {
- return isInt(c) || (c >= 'A' && c <= 'F');
- }
-
- /**
- * Determines if the specified string has a 6-digit hex string starting at
- * the specified offset.
- * @param input The string to check
- * @param offset The offset to start at
- * @return True iff there is a hex string preset at the offset
- */
- private static boolean hasHexString(final String input, final int offset) {
- // If the string's too short, it can't have a hex string
- if (input.length() < offset + 6) {
- return false;
- }
- boolean res = true;
- for (int i = offset; i < 6 + offset; i++) {
- res = res && isHex(input.toUpperCase(Locale.getDefault()).charAt(i));
- }
-
- return res;
- }
-
- /**
- * Toggles the various channel link-related attributes.
- *
- * @param attribs The attributes to be modified.
- */
- private void toggleChannel(final SimpleAttributeSet attribs) {
- if (styleChannels) {
- toggleLink(attribs, IRCTextAttribute.CHANNEL, channelColour);
- }
- }
-
- /**
- * Toggles the various hyperlink-related attributes.
- *
- * @param attribs The attributes to be modified.
- */
- private void toggleURI(final SimpleAttributeSet attribs) {
- if (styleURIs) {
- toggleLink(attribs, IRCTextAttribute.HYPERLINK, uriColour);
- }
- }
-
- /**
- * Toggles the attributes for a link.
- *
- * @since 0.6.4
- * @param attribs The attributes to modify
- * @param attribute The attribute indicating whether the link is open or closed
- * @param colour The colour to colour the link
- */
- private void toggleLink(final SimpleAttributeSet attribs,
- final IRCTextAttribute attribute, final Color colour) {
-
- if (attribs.getAttribute(attribute) == null) {
- // Add the hyperlink style
-
- if (attribs.containsAttribute(StyleConstants.FontConstants.Underline, Boolean.TRUE)) {
- attribs.addAttribute("restoreUnderline", Boolean.TRUE);
- } else {
- attribs.addAttribute(StyleConstants.FontConstants.Underline, Boolean.TRUE);
- }
-
- if (colour != null) {
- final Object foreground = attribs.getAttribute(
- StyleConstants.FontConstants.Foreground);
-
- if (foreground != null) {
- attribs.addAttribute("restoreColour", foreground);
- attribs.removeAttribute(StyleConstants.FontConstants.Foreground);
- }
-
- attribs.addAttribute(StyleConstants.FontConstants.Foreground, colour);
- }
-
- } else {
- // Remove the hyperlink style
-
- if (attribs.containsAttribute("restoreUnderline", Boolean.TRUE)) {
- attribs.removeAttribute("restoreUnderline");
- } else {
- attribs.removeAttribute(StyleConstants.FontConstants.Underline);
- }
-
- if (colour != null) {
- attribs.removeAttribute(StyleConstants.FontConstants.Foreground);
- final Object foreground = attribs.getAttribute("restoreColour");
- if (foreground != null) {
- attribs.addAttribute(StyleConstants.FontConstants.Foreground, foreground);
- attribs.removeAttribute("restoreColour");
- }
- }
- }
- }
-
- /**
- * Toggles the specified attribute. If the attribute exists in the attribute
- * set, it is removed. Otherwise, it is added with a value of Boolean.True.
- * @param attribs The attribute set to check
- * @param attrib The attribute to toggle
- */
- private static void toggleAttribute(final SimpleAttributeSet attribs,
- final Object attrib) {
- if (attribs.containsAttribute(attrib, Boolean.TRUE)) {
- attribs.removeAttribute(attrib);
- } else {
- attribs.addAttribute(attrib, Boolean.TRUE);
- }
- }
-
- /**
- * Resets all attributes in the specified attribute list.
- * @param attribs The attribute list whose attributes should be reset
- */
- private static void resetAttributes(final SimpleAttributeSet attribs) {
- if (attribs.containsAttribute(StyleConstants.FontConstants.Bold, Boolean.TRUE)) {
- attribs.removeAttribute(StyleConstants.FontConstants.Bold);
- }
- if (attribs.containsAttribute(StyleConstants.FontConstants.Underline, Boolean.TRUE)) {
- attribs.removeAttribute(StyleConstants.FontConstants.Underline);
- }
- if (attribs.containsAttribute(StyleConstants.FontConstants.Italic, Boolean.TRUE)) {
- attribs.removeAttribute(StyleConstants.FontConstants.Italic);
- }
- if (attribs.containsAttribute(StyleConstants.FontConstants.FontFamily, "monospaced")) {
- final Object defaultFont = attribs.getAttribute("DefaultFontFamily");
- attribs.removeAttribute(StyleConstants.FontConstants.FontFamily);
- attribs.addAttribute(StyleConstants.FontConstants.FontFamily, defaultFont);
- }
- resetColour(attribs);
- }
-
- /**
- * Resets the colour attributes in the specified attribute set.
- * @param attribs The attribute set whose colour attributes should be reset
- */
- private static void resetColour(final SimpleAttributeSet attribs) {
- if (attribs.isDefined(StyleConstants.Foreground)) {
- attribs.removeAttribute(StyleConstants.Foreground);
- }
- if (attribs.isDefined("DefaultForeground")) {
- attribs.addAttribute(StyleConstants.Foreground,
- attribs.getAttribute("DefaultForeground"));
- }
- if (attribs.isDefined(StyleConstants.Background)) {
- attribs.removeAttribute(StyleConstants.Background);
- }
- if (attribs.isDefined("DefaultBackground")) {
- attribs.addAttribute(StyleConstants.Background,
- attribs.getAttribute("DefaultBackground"));
- }
- }
-
- /**
- * Sets the foreground colour in the specified attribute set to the colour
- * corresponding to the specified colour code or hex.
- * @param attribs The attribute set to modify
- * @param foreground The colour code/hex of the new foreground colour
- */
- private static void setForeground(final SimpleAttributeSet attribs,
- final String foreground) {
- if (attribs.isDefined(StyleConstants.Foreground)) {
- attribs.removeAttribute(StyleConstants.Foreground);
- }
- attribs.addAttribute(StyleConstants.Foreground, ColourManager.parseColour(foreground));
- }
-
- /**
- * Sets the background colour in the specified attribute set to the colour
- * corresponding to the specified colour code or hex.
- * @param attribs The attribute set to modify
- * @param background The colour code/hex of the new background colour
- */
- private static void setBackground(final SimpleAttributeSet attribs,
- final String background) {
- if (attribs.isDefined(StyleConstants.Background)) {
- attribs.removeAttribute(StyleConstants.Background);
- }
- attribs.addAttribute(StyleConstants.Background, ColourManager.parseColour(background));
- }
-
- /**
- * Sets the default foreground colour (used after an empty ctrl+k or a ctrl+o).
- * @param attribs The attribute set to apply this default on
- * @param foreground The default foreground colour
- */
- private static void setDefaultForeground(final SimpleAttributeSet attribs,
- final String foreground) {
- attribs.addAttribute("DefaultForeground", ColourManager.parseColour(foreground));
- }
-
- /**
- * Sets the default background colour (used after an empty ctrl+k or a ctrl+o).
- * @param attribs The attribute set to apply this default on
- * @param background The default background colour
- */
- private static void setDefaultBackground(final SimpleAttributeSet attribs,
- final String background) {
- attribs.addAttribute("DefaultBackground", ColourManager.parseColour(background));
- }
-
- /** {@inheritDoc} */
- @Override
- public void configChanged(final String domain, final String key) {
- if ("stylelinks".equals(key)) {
- styleURIs = owner.getConfigManager().getOptionBool("ui", "stylelinks");
- } else if ("stylechannels".equals(key)) {
- styleChannels = owner.getConfigManager().getOptionBool("ui", "stylechannels");
- } else if ("linkcolour".equals(key)) {
- uriColour = owner.getConfigManager().getOptionColour("ui", "linkcolour");
- } else if ("channelcolour".equals(key)) {
- channelColour = owner.getConfigManager().getOptionColour("ui", "channelcolour");
- }
- }
-
- }
|